I do not care how they mont the shifters. This is the picture from you first link:


They write this would be a right hand shifter and (in bold letters) If you want to mount these on the inside of the bar like in the video below, buy this one for the left side.

I have the left hand friction shifter (the one from your second link) mounted on the intended left side in use on my Brompton, as outlined in my description of the 9-speed mod further above in this thread. M90 is written on it and - as outlined above - in the notation of Sunrace it would probably be the model noSLM96LF. This is what I am using and what you have been asking for. If you want to mount the shifter on the other side of the bar, upside down, wrong way round or whatever your intention is you are totally free to do so. If you want to use a different shifter you are also free to do so. But do not expect me to know what you are intending or anything about a shifter I do not have in use...
Regarding the photos from Rivendell: You could also look at them as from a perspective from the front of the bike - than they would correctly fit directionvise....